Centrum Centrum Specialist Energy
Brand: Centrum · Form: TABLET [E0155]
Our assessment
Our assessment: For boosting energy, the evidence for Centrum Specialist Energy is limited. The formula relies on B-vitamins and a high dose of calcium to support metabolic function, but calcium is not a primary energy nutrient. Data on the specific energy blend is not available, so we focus on the core ingredients [NIH ODS].
How it works
Calcium plays a role in neuromuscular relaxation and nerve signaling, which is essential for muscle function and overall movement [NIH ODS]. However, the primary energy-driving ingredients in this product are likely B-vitamins, which help convert food into cellular energy. Without specific data on the "energy" blend, the main mechanism supported by the data is calcium's role in bone mineralization and muscle function [NIH ODS].
Safety profile
The FDA has received a total of 592,059 adverse event reports for this product line [FDA data]. For calcium specifically, high intakes may increase the risk of heart disease and prostate cancer. Symptoms of excessive calcium include poor muscle tone, poor kidney function, low phosphate levels, constipation, nausea, weight loss, extreme tiredness, frequent urination, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS]. Calcium can also reduce absorption of medications like bisphosphonates, tetracycline antibiotics, and levothyroxine [NIH ODS].
Our recommendation
Our recommendation: If you are looking for an energy boost, this product may not be your best first choice. The data does not show a direct energy benefit from calcium [NIH ODS]. Consider a focused B-complex supplement instead. If you have kidney issues, heart conditions, or take thyroid or antibiotic medications, consult your doctor before starting this supplement due to the calcium content [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Centrum |
|---|---|
| Serving Size | |
| Contents | 60.0 Tablet(s) |
| Market Status | Off Market |
How to Read This Label
Supplement labels contain several key sections regulated by the FDA:
- Serving Size — The recommended amount per dose. Always check this — some products require multiple capsules per serving.
- Amount Per Serving — Shows the quantity of each nutrient in the product, typically in IU (International Units), mg (milligrams), or mcg (micrograms).
- % Daily Value (%DV) — Indicates how much a nutrient in a serving contributes to a daily diet. 5% DV or less is low; 20% DV or more is high.
- Other Ingredients — Lists inactive ingredients like fillers, binders, and capsule materials (e.g., gelatin, cellulose, magnesium stearate).
- Suggested Use — The manufacturer's recommended directions for taking the supplement, including timing and dosage.
Source: FDA Dietary Supplement Labeling Guide